| 82 | ~mmap_array() { reset(); } |
| 83 | |
| 84 | void reset() { |
| 85 | if (data_ != NULL && mmap_size_ != 0) { |
| 86 | if (munmap(data_, mmap_size_) != 0) { |
| 87 | std::stringstream ss; |
| 88 | ss << "Failed to mummap file [ " << filename_ << " ] " |
| 89 | << strerror(errno); |
| 90 | LOG(ERROR) << ss.str(); |
| 91 | throw std::runtime_error(ss.str()); |
| 92 | } |
| 93 | } |
| 94 | data_ = NULL; |
| 95 | size_ = 0; |
| 96 | mmap_size_ = 0; |
| 97 | if (fd_ != -1) { |
| 98 | if (close(fd_) != 0) { |
| 99 | std::stringstream ss; |
| 100 | ss << "Failed to close file [ " << filename_ << " ] " |
| 101 | << strerror(errno); |
| 102 | LOG(ERROR) << ss.str(); |
| 103 | throw std::runtime_error(ss.str()); |
| 104 | } |
| 105 | fd_ = -1; |
| 106 | } |
| 107 | filename_ = ""; |
| 108 | sync_to_file_ = false; |
| 109 | } |
| 110 | |
| 111 | void unlink() { |
| 112 | std::string old_filename = filename_; |